726  
FXUS65 KBYZ 240704  
AFDBYZ  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE BILLINGS MT  
104 AM MDT MON AUG 24 2026  
   
KEY MESSAGES
 
 
 
- DRIER WITH SEASONAL TEMPS THROUGH MIDWEEK. WARMER AFTER MIDWEEK  
WITH AN INCREASED CHANCE OF SHOWERS AND THUNDERSTORMS.  
 

 
   
DISCUSSION
 
 
THROUGH SUNDAY...  
 
UPPER LEVEL TROUGHING WILL CONTINUE TO MOVE TO THE EAST TODAY AND  
TUESDAY. THE SURFACE LOW PRESSURE SYSTEM ASSOCIATED WITH THIS  
TROUGH WILL SLOWLY MOVE ACROSS THE CANADIAN PRAIRIES ADVECTING IN  
HIGH PRESSURE BEHIND IT TODAY AND TUESDAY. THIS WILL BRING  
SLIGHTLY COOLER TEMPERATURES IN THE 80S F AND DRY CONDITIONS.  
 
STARTING WEDNESDAY, UPPER LEVEL RIDGING BUILDS IN BEHIND THE  
DEPARTING TROUGH SHIFTING HIGH PRESSURE TO THE EAST. THIS PATTERN  
IS EXPECTED TO LAST THROUGH FRIDAY BRINGING HIGH TEMPERATURES IN  
THE HIGH 80S TO LOW 90S F AND PERIODIC CHANCES FOR SHOWERS AND  
THUNDERSTORMS. THURSDAY IS EXPECTED TO BRING THE BEST CHANCE FOR  
SEVERE THUNDERSTORMS AS SOUTHEAST WINDS ADVECT GULF MOISTURE INTO  
MONTANA. IT IS TOO EARLY TO HAVE SPECIFIC DETAILS ABOUT THE  
COVERAGE AND POTENTIAL HAZARDS OF THESE STORMS.  
 
ENSEMBLE SYSTEMS ARE INDICATING THAT THE EARLIEST THE UPPER LEVEL  
RIDGING PATTERN COULD BE BROKEN IS NEXT WEEKEND. WHILE RIDGING  
WILL BE DOMINANT OVER MONTANA DURING THE MIDDLE TO LATE WEEK  
PERIOD, PERSISTENT TROUGHING WILL IMPACT THE PACIFIC COAST.  
STARTING NEXT WEEKEND, MODELS ARE INDICATING THIS TROUGH MAY BEGIN  
TO MOVE INLAND DISPLACING THE RIDGE. THIS IS HIGHLY UNCERTAIN AT  
THIS TIME BUT IT BRINGS THE POTENTIAL FOR COOLER TEMPERATURES BY  
NEXT SUNDAY. TORGERSON  
   
AVIATION
 
 
WILDFIRE SMOKE IS EXPECTED TO MOVE INTO SOUTHEAST MONTANA THIS  
MORNING. REDUCTIONS TO SLANT RANGE VISIBILITY ARE POSSIBLE. SMOKE  
IMPACTS ARE LARGELY EXPECTED WEST OF ROSEBUD COUNTY. REDUCTIONS  
IN FLIGHT CATEGORY DUE TO SURFACE VISIBILITY REDUCTIONS ARE  
UNLIKELY. LOCATIONS FROM NORTHERN ROSEBUD COUNTY AND AREAS NEAR  
THE DAKOTAS BORDER WILL EXPERIENCE 20-30 KT WIND GUSTS THIS  
AFTERNOON. TORGERSON  
 

 
   
PRELIMINARY POINT TEMP/POPS
 
 
TDY TUE WED THU FRI SAT SUN  
-------------------------------------------------------  
BIL 087 059/084 059/090 062/093 062/090 062/089 060/083  
0/K 00/B 00/U 11/B 51/B 21/B 21/U  
LVM 086 048/084 049/089 051/089 050/088 050/085 047/080  
0/K 01/U 11/U 43/T 52/T 22/W 32/W  
HDN 088 054/086 055/092 060/095 059/092 059/091 056/085  
0/U 00/B 00/U 00/B 31/B 21/B 21/U  
MLS 086 058/084 054/087 060/093 064/092 062/090 059/084  
0/U 00/B 00/U 01/B 21/B 21/B 31/U  
4BQ 087 058/084 055/088 060/092 063/092 062/090 060/086  
0/U 10/B 00/U 01/B 20/B 21/B 21/U  
BHK 087 052/083 048/086 052/091 058/092 057/090 055/086  
0/U 00/U 00/U 01/B 41/B 22/T 32/W  
SHR 086 054/083 051/087 054/091 056/089 056/088 053/084  
0/B 02/T 01/B 11/B 11/B 12/W 22/W  
 

 
   
BYZ WATCHES/WARNINGS/ADVISORIES
 
 
MT...NONE.  
WY...NONE.  
 

 
 

 
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